Epcom is known for its solar panes for years. This is a special deal from them. This high quality robust solar panels can produce up to 50Watts in power. That is very good for a panel of this price and size. Considering the 57% discount, it can not get any better. It comes with a cool 5 year warranty. You are at no risk. Just follow this link to get your discount on Epcom 50 Watt Polycrystalline Solar Panel